Determined Iteration The token generator that has spiked hard is Determined Iteration
With Primal Prayers set up, Greenbelt Rampager offers infinite ETBs
Made popular by classic D&D monsters like the Gelatinous Cube and RPGs like the Dragon Quest series, slimes, and Oozes are counted among fantasy gamings classic creature types
In Commander, Elesh Norn, Grand Cenobite is one of the most-played White cards often found in decks focused on creature tokens and Legendary creatures
does exactly what I want to see Commander precons do: Explore new territory and novel ideas
However, if you look at the cumulative impact of the Titans and just how many worlds you could drop them into and have them completely warp the format around them, I dont think its hard to see why they get my nod for best creatures of the last decade (really Primeval Titan is the winner, with Inferno Titan next, followed a fair bit later by Grave Titan, then Sun Titan, and eventually, 500 cards later, Frost Titan)